Quantum Northwest Inc.

PAS 1000™ Pulsed-Laser Photoacoustics System

The PAS 1000 provides optics, energy probes, a fast diode trigger, cuvette holder, transducer, preamp, data acquisition hardware and a digitizing oscilloscope. The components are linked together with software for data collection, processing and analysis. Add a laser and a personal computer and you will have everything you need to generate high quality pulsed laser photoacoustics data suitable for complex kinetic analysis. See our brochure for more information.

Optical Components

PAS/BENCH	Base and optical bench
PAS/INCPRB	Beam splitter, filter mount and pyroelectric energy probe for monitoring incoming pulse energies
PAS/DIODE	Beam splitter, filter mount, and fast photodiode to provide timing trigger for the oscilloscope
PAS/TRANSPRB	Filter mount and pyroelectric energy probe for measuring transmitted pulse energies
PAS/FW	6-position filter wheel for repeatable intensity control
PAS/SH	Computer controlled shutter to block incoming beam when it is not needed
PAS/CLS-RA	100 mm focal length fused silica cylindrical lens for focusing the beam in the cuvette, and adjustable rectangular aperture for precise control of the illuminated volume in the sample
PAS/MGFILTERS	Melles Griot 03FSQ011 neutral density filter set for attenuation of the incoming laser radiation and use as beam splitters (0.04, 0.1, 0.3, 0.5, 1.0, 2.0, 3.0 nominal ODs) plus extra blank

Transducer and Preamp

TR-V103	Panametrics V103RM 1 MHz transducer
TR-PREAMP	Panametrics 5662 Ultrasonic Preamp

Oscilloscope and Data Acquisition

PAS/scope	Tektronix TDS 2012 100 MHz digitizing oscilloscope with GPIB option
PAS 1000-IU	PAS 1000-IU Interface Unit
PAS/NIGPIB	National Instruments NI-488.2 GPIB-USB-HS
PR-SACQ	data acquisition program for the PAS 1000

Sample Holder and Accessories

FLASH 300	Temperature-Controlled Cuvette Holder for Laser Spectroscopy
PAS 300	Photoacoustics option for the FLASH 300
TC 125	TC 125 Temperature Controller
SER 2.3	Serial Control V 2.3 for external computer control of the TC 125
BATH 100	Submersible pump, bucket and fittings to provide circulating water to the FLASH 300 Peltier
PR-SA	Sound Analysis V1.50D Deconvolution and kinetic analysis of photoacoustic waveforms
PR-SPROC	data processing program for the PAS 1000

Quantum Northwest provides temperature-controlled cuvette holders and photoacoustic instrumentation